Ultra-marathon at North Face Endurance Challenge at Bear Mountain

Ultra-marathon runners began their trek early Saturday at the North Face Endurance Challenge at Bear Mountain, tracing the western shores of the Hudson River and the craggy foothills of the Catskill Mountains. The two day event consisted of the Gore-Tex 50 Mile, 50K and marathon on Saturday, with the half-marathon, 10K and 5K scheduled for Sunday. A marathon relay and kid's runs were also scheduled. (May 4, 2013)

Runners cross the finish line at the 50-mile event at the North Face Endurance Challenge at Bear Mountain. (May 4, 2013)

(Credit: Susan Stava)

Runners pass the Anthony Wayne checkpoint at the 50-mile event at the North Face Endurance Challenge at Bear Mountain. (May 4, 2013)

(Credit: Susan Stava)

Relay teams prepare at the starting line of the six mile section of the race at the North Face Endurance Challenge at Bear Mountain. (May 4, 2013)

(Credit: Susan Stava)

Denis Mikhaylov, from Russia, wins the 50K race at the North Face Endurance Challenge at Bear Mountain. (May 4, 2013)

(Credit: Susan Stava)

Denis Mikhaylov, from Russia, wins the 50K race at the North Face Endurance Challenge at Bear Mountain. (May 4, 2013)

(Credit: Susan Stava)

Ashley Moyer, of Pennsylvania, is the first-place winner for women's 50-mile race. Runners competed in the grueling 50-mile event at the North Face Endurance Challenge at Bear Mountain. (May 4, 2013)

(Credit: Susan Stava)

Ashley Moyer, of Pennslyvania, is the first-place winner for the women's 50-mile race. Runners competed in the grueling 50-mile event at the North Face Endurance Challenge at Bear Mountain. (May 4, 2013)